From bad, to good to TERRIBLE. Please read

Driver460sz

Driver460sz

5 Year Member
Jan 14, 2019
145
53
38
New Hampshire
#1
So I went to load a tune from a place that worked on my car this summer. I had accidentally changed some things and never had the tune saved anywhere. So the tune was emailed to me and I headed down to the car. Once I hooked up, my laptop wouldn't connect. Which is weird as it always just jumped right in. I figured it was a firmware update that was needed. I did a firmware update. Now, mind you, before I did anything my car started up and was fine (Just needed the fine tune). I go and update the firmware and then the care doesn't start, just turns over and nothing. So I pop back in and look to see what I messed up. I tried to, what I thought was revert back to the old firmware. And then sent the injectors into overdrive with the key on. I can't shut the key off or the laptop wont connect and with the ket on the injectors are going nuts. Next thing I know the motor has fuel coming out of the throttle body and pooring all over...... HOLY :poo:. I couldn't just leave well enough alone and now I have NOOOOOO idea how to even try to fix this mess without the car filling up the motor with gas and who knows what mess that caused and so on and so on...... GOD DAMN, I could have driven around and been just fine. But I had to go hit a few freaking buttons.

Who can help, how do I get out of this mess. Anyone....anything.... soooooo defeated.

Thanks team
 

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#2
Sounds like you really got things foo bared. I'm sure Steve will check in soon, just hire him to do a remote , then once he straightens you out Don't do poopie again.
 
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#4
The first thing you can do is unplug your injectors and change the settings back to whatever they were before. The injectors won't send fuel if they are unpluged. If it were me I'd remove all the spark plugs, unplug the coil, unplug the injectors, and crank the engine. This will push all the fuel out the cylinders. Very important to make sure the coil is unplugged so there will be no sparks that could turn your car into a fire ball.
 
#5
90sickfox said:
The first thing you can do is unplug your injectors and change the settings back to whatever they were before. The injectors won't send fuel if they are unpluged. If it were me I'd remove all the spark plugs, unplug the coil, unplug the injectors, and crank the engine. This will push all the fuel out the cylinders. Very important to make sure the coil is unplugged so there will be no sparks that could turn your car into a fire ball.
Click to expand...
Plugs are out. Haven't unplugged injectors but TS won't connect to MS. No matter what I try nothing reads. I checked port coms and baud and that aligns. When I connect to USB to the laptop if makes a noise like it always had. When that noise occurred it always showed connected. Now nothing. Good reminder the coil!!! Lots of fuel all over right now.
90sickfox said:
The first thing you can do is unplug your injectors and change the settings back to whatever they were before. The injectors won't send fuel if they are unpluged. If it were me I'd remove all the spark plugs, unplug the coil, unplug the injectors, and crank the engine. This will push all the fuel out the cylinders. Very important to make sure the coil is unplugged so there will be no sparks that could turn your car into
Click to expand...
 
#7
The computer is reading that the port is connected but TS is NOT reading anythjng. It just shows not connected and nothing detected. But again, the computer shows it is plugged in. If I can just get them to freaking pair and that is the I can't figure it out part. I had to have messed up firmware or some connection previous to the attempt that sent things amiss. But I can't seem to get it to detect anything. I tried the communication tabs and nothing. Debug gives me data but I am not smart enough for that mess.
 

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#10
Blown88GT said:
Which MS do you have?
Is it serial or USB?
If serial, are you using a serial to USB converter?
If yes, the converter has a bad connection or has failed
Click to expand...
New Microsoft Fusion 5 windows device, new adapter, checked coms, ports and rates and set them all to align. Still ZERO connection from TS to MS. Port is there, com had checked as up to date and correct. The tune I need is sitting in TS ready tooadbut just can't connect.

Seems there is power to the ecu. I mean the car is powered. Maybe the "new" USB/RS232 was bad from the box. Otherwise I can't think of anything else or reason by it wouldn't connect other than maybe the ECU crapped out. Which I guess could be a thing.

Thoughts?
Blown88GT said:
Which MS do you have?
Is it serial or USB?
If serial, are you using a serial to USB converter?
If yes, the converter has a bad connection or has failed.
Click to expand...
 
#11
#12
I have this one now and it says it is hooked and powered out by the laptop. But no port connection is being made. Still won't make a connection with the ECU to TS to load a tune. Wtf
 

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#13
3.5.10 BOOTLOAD input
The bootload wire (pin 15) is used to force the Microsquirt into "bootloader" monitor mode. This is only typically needed
when loading the firmware for the first time. It can optionally be used if the firmware has become corrupted (e.g.
an ignition spike got into the wiring harness) and the normal firmware loading will not function.
It is connected to ground when required. At all other times it must be taped up and kept away from any high voltage noise sources.
Do not ever apply a voltage to this wire.

I think you will have to use this method. Can't use TS.
www.diyautotune.com

Loading Firmware

Loading the Firmware onto your DIYPNP This article will cover how to load firmware on your DIYPNP ECU, in a step-by-step manner. Step 1 — Download the firmware The first thing we’ll want to do is make sure we’ve downloaded the firmware version that we are planning to upload to the DIYPNP ECU...
www.diyautotune.com www.diyautotune.com


 
Last edited:
#14
Blown88GT said:
3.5.10 BOOTLOAD input
The bootload wire (pin 15) is used to force the Microsquirt into "bootloader" monitor mode. This is only typically needed
when loading the firmware for the first time. It can optionally be used if the firmware has become corrupted (e.g.
an ignition spike got into the wiring harness) and the normal firmware loading will not function.
It is connected to ground when required. At all other times it must be taped up and kept away from any high voltage noise sources.
Do not ever apply a voltage to this wire.

I think you will have to use this method. Can't use TS.
www.diyautotune.com

Loading Firmware

Loading the Firmware onto your DIYPNP This article will cover how to load firmware on your DIYPNP ECU, in a step-by-step manner. Step 1 — Download the firmware The first thing we’ll want to do is make sure we’ve downloaded the firmware version that we are planning to upload to the DIYPNP ECU...
www.diyautotune.com www.diyautotune.com


Click to expand...
Is there a video you recommend of this whole process? I 100% agree this will need to be the next step based on what I have gone through already.

Thanks
 
#15
It's been a long time since I used the bootloader on my DIYPNP. It was the only way to do it with earlier versions of TS.
All firmware releases still contain the ms2loader files. README file is there, too.
Just follow steps on the DIYAutoTune website link. Replace step 2 with the grounding of pin 15.
You have a Microsquirt, DIYPNP has the Microsquirt Module. Same design, different circuit board (PCB).
 
#17
If it does not auto detect, select MicroSquirt NOT MicroSquirt Module.

Step 4 says in part: "It will ask you what device you are using. If it does not automatically detect this, select MicroSquirt Module. This is not the same as a cased MicroSquirt or an MSPNP – these have slightly different pin naming."

Yours is cased MicroSquirt, therefore, just MicroSquirt (no Module).

Don't forget to remove the jumper when done.
 
#20
a91what said:
This windows 11 ?????
windows 11 nuked most of the rs232 drivers, it shows up in the comm ports but is not usable. You have to uninstall the driver and install a new one.
Click to expand...
Google cannot find what you are stating.
FTDI drivers are the same for Windows 10 & 11.

Any error would be no entry in Device Manager & no comm port assigned but his pics show both.

Windows 11 USB COM port​

 
Last edited:
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